CA2383138C - System and method for detecting the state of hydration - Google Patents

System and method for detecting the state of hydration Download PDF

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Publication number
CA2383138C
CA2383138C CA002383138A CA2383138A CA2383138C CA 2383138 C CA2383138 C CA 2383138C CA 002383138 A CA002383138 A CA 002383138A CA 2383138 A CA2383138 A CA 2383138A CA 2383138 C CA2383138 C CA 2383138C
Authority
CA
Canada
Prior art keywords
signals
frequencies
tissue
hydration
living
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CA002383138A
Other languages
English (en)
French (fr)
Other versions
CA2383138A1 (en
Inventor
Elazar Eyal-Bickels
Shulamit Margaliot
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CA2383138A1 publication Critical patent/CA2383138A1/en
Application granted granted Critical
Publication of CA2383138C publication Critical patent/CA2383138C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition
    • A61B5/4875—Hydration status, fluid retention of the body
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61B—DIAGNOSIS; SURGERY; IDENTIFICATION
    • A61B5/00—Measuring for diagnostic purposes; Identification of persons
    • A61B5/48—Other medical applications
    • A61B5/4869—Determining body composition

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Surgery (AREA)
  • Animal Behavior & Ethology (AREA)
  • Pathology (AREA)
  • Engineering & Computer Science (AREA)
  • Biomedical Technology (AREA)
  • Heart & Thoracic Surgery (AREA)
  • Medical Informatics (AREA)
  • Molecular Biology (AREA)
  • Physics & Mathematics (AREA)
  • Biophysics (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Measuring And Recording Apparatus For Diagnosis (AREA)
  • Investigating Or Analysing Materials By Optical Means (AREA)
  • Centrifugal Separators (AREA)
  • Separation Using Semi-Permeable Membranes (AREA)
  • Electrical Discharge Machining, Electrochemical Machining, And Combined Machining (AREA)
  • Valve Device For Special Equipments (AREA)
CA002383138A 1999-09-23 2000-09-21 System and method for detecting the state of hydration Expired - Fee Related CA2383138C (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
IL132027 1999-09-23
IL13202799A IL132027A0 (en) 1999-09-23 1999-09-23 System and method for detecting dehydration
PCT/IL2000/000585 WO2001021068A1 (en) 1999-09-23 2000-09-21 System and method for detecting the state of hydration

Publications (2)

Publication Number Publication Date
CA2383138A1 CA2383138A1 (en) 2001-03-29
CA2383138C true CA2383138C (en) 2009-02-10

Family

ID=11073272

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002383138A Expired - Fee Related CA2383138C (en) 1999-09-23 2000-09-21 System and method for detecting the state of hydration

Country Status (8)

Country Link
US (1) US6849046B1 (de)
EP (1) EP1248561B1 (de)
AT (1) ATE331468T1 (de)
AU (1) AU7443000A (de)
CA (1) CA2383138C (de)
DE (1) DE60029136T2 (de)
IL (1) IL132027A0 (de)
WO (1) WO2001021068A1 (de)

Families Citing this family (40)

* Cited by examiner, † Cited by third party
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US7657292B2 (en) * 2001-03-16 2010-02-02 Nellcor Puritan Bennett Llc Method for evaluating extracellular water concentration in tissue
US8135448B2 (en) * 2001-03-16 2012-03-13 Nellcor Puritan Bennett Llc Systems and methods to assess one or more body fluid metrics
US6591122B2 (en) * 2001-03-16 2003-07-08 Nellcor Puritan Bennett Incorporated Device and method for monitoring body fluid and electrolyte disorders
US7239902B2 (en) * 2001-03-16 2007-07-03 Nellor Puritan Bennett Incorporated Device and method for monitoring body fluid and electrolyte disorders
EP1834667B1 (de) * 2001-07-26 2017-08-23 Bayer Healthcare LLC Elektromagnetische Sensoren für Anwendungen am biologischen Gewebe
US7277741B2 (en) * 2004-03-09 2007-10-02 Nellcor Puritan Bennett Incorporated Pulse oximetry motion artifact rejection using near infrared absorption by water
CN101252881B (zh) * 2005-09-02 2010-05-26 宝洁公司 用于测定皮肤含水量的方法
US8255025B2 (en) * 2006-06-09 2012-08-28 Nellcor Puritan Bennett Llc Bronchial or tracheal tissular water content sensor and system
WO2008021226A1 (en) * 2006-08-12 2008-02-21 Philometron, Inc. Platform for detection of tissue structure change
US8180419B2 (en) * 2006-09-27 2012-05-15 Nellcor Puritan Bennett Llc Tissue hydration estimation by spectral absorption bandwidth measurement
US7643858B2 (en) * 2006-09-28 2010-01-05 Nellcor Puritan Bennett Llc System and method for detection of brain edema using spectrophotometry
US8116852B2 (en) * 2006-09-29 2012-02-14 Nellcor Puritan Bennett Llc System and method for detection of skin wounds and compartment syndromes
US20080221411A1 (en) * 2007-03-09 2008-09-11 Nellcor Puritan Bennett Llc System and method for tissue hydration estimation
US8690864B2 (en) * 2007-03-09 2014-04-08 Covidien Lp System and method for controlling tissue treatment
US8346327B2 (en) 2007-03-09 2013-01-01 Covidien Lp Method for identification of sensor site by local skin spectrum data
US8109882B2 (en) * 2007-03-09 2012-02-07 Nellcor Puritan Bennett Llc System and method for venous pulsation detection using near infrared wavelengths
US8280469B2 (en) 2007-03-09 2012-10-02 Nellcor Puritan Bennett Llc Method for detection of aberrant tissue spectra
US8357090B2 (en) * 2007-03-09 2013-01-22 Covidien Lp Method and apparatus for estimating water reserves
US20080220512A1 (en) * 2007-03-09 2008-09-11 Nellcor Puritan Bennett Llc Tunable laser-based spectroscopy system for non-invasively measuring body water content
US8175665B2 (en) 2007-03-09 2012-05-08 Nellcor Puritan Bennett Llc Method and apparatus for spectroscopic tissue analyte measurement
US20080306362A1 (en) * 2007-06-05 2008-12-11 Owen Davis Device and system for monitoring contents of perspiration
ES2664239T3 (es) * 2007-09-05 2018-04-18 Sensible Medical Innovations Ltd. Método y aparato para usar radiación electromagnética para supervisar un tejido de un usuario
WO2010100649A1 (en) 2009-03-04 2010-09-10 Sensible Medical Innovations Ltd. Methods and systems for monitoring intrabody tissues
WO2009131664A2 (en) * 2008-04-21 2009-10-29 Carl Frederick Edman Metabolic energy monitoring system
US20110160554A1 (en) * 2008-06-18 2011-06-30 Alexander Megej Device and method for determining at least one characterizing parameter of multilayer body tissue
DE102008002520A1 (de) * 2008-06-19 2009-12-24 Robert Bosch Gmbh Vorrichtung zur Bestimmung und/oder Überwachung des Flüssigkeitsgehalts der Haut
US10667715B2 (en) 2008-08-20 2020-06-02 Sensible Medical Innovations Ltd. Methods and devices of cardiac tissue monitoring and analysis
US8406865B2 (en) * 2008-09-30 2013-03-26 Covidien Lp Bioimpedance system and sensor and technique for using the same
JP5628289B2 (ja) 2009-04-17 2014-11-19 バイオボーション・アーゲーＢｉｏｖｏｔｉｏｎ ＡＧ グルコース決定のための広帯域フィールド応答特性測定
WO2010118537A1 (en) 2009-04-17 2010-10-21 Solianis Holding Ag Sensing device for body tissue properties
GB0911143D0 (en) * 2009-06-26 2009-08-12 Sec Dep For Innovation Univers Hyrdation monitoring device and method
US8907682B2 (en) * 2009-07-30 2014-12-09 Sensible Medical Innovations Ltd. System and method for calibration of measurements of interacted EM signals in real time
EP2568879A4 (de) * 2010-05-13 2014-09-10 Sensible Medical Innovations Ltd Verfahren und system zur verwendung einer verteilten elektromagnetischen gewebeüberwachung
DK2635178T3 (da) 2010-11-03 2021-11-15 Sensible Medical Innovations Ltd Elektromagnetiske sonder, fremgangsmåder til fremstilling deraf og fremgangsmåder, der anvender sådanne elektromagnetiske sonder
US10368794B2 (en) * 2014-08-29 2019-08-06 Ecole Polytechnique Federale De Lausanne (Epfl) System for the remote monitoring of the hydration status of a living being
US20160287151A1 (en) * 2015-04-02 2016-10-06 Menachem Margaliot Device and method and for the in-vivo, non-invasive measurement of the osmolality of biological tissue fluid, utilizing reflection of multi-frequency electromagnetic waves in the radio-frequency range
US20170112437A1 (en) * 2015-10-27 2017-04-27 F. Frederick Dyer Measurement of Hydration, Edema, and Bioelectrical Impedance
US12127787B2 (en) 2018-12-31 2024-10-29 Massachusetts Institute Of Technology Non-invasive skin contact sensor
JP7331289B2 (ja) * 2020-07-16 2023-08-22 シグニファイ ホールディング ビー ヴィ 水検出デバイス
CN116807439B (zh) * 2023-08-08 2024-06-04 广州承启医学检验有限公司 一种生物体信息检测方法及系统

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US4364008A (en) * 1980-10-02 1982-12-14 Jacques Steven L Focusing probe for moisture measurement device
US4488559A (en) 1981-06-30 1984-12-18 University Of Utah Apparatus and method for measuring lung water content
SE455043B (sv) * 1982-04-22 1988-06-20 Karolinska Inst Anordning for overvakning av menniskokroppens vetskebalans genom metning av kroppens impedans
US5203344A (en) * 1991-01-31 1993-04-20 Brigham And Women's Hospital Method and apparatus for taking bioelectrical impedance measurements using proximally positioned electrodes
US5767685A (en) 1996-09-18 1998-06-16 Walker; Charles W. E. Portable microwave moisture measurement instrument using two microwave signals of different frequency and phase shift determination

Also Published As

Publication number Publication date
EP1248561B1 (de) 2006-06-28
US6849046B1 (en) 2005-02-01
DE60029136D1 (de) 2006-08-10
AU7443000A (en) 2001-04-24
CA2383138A1 (en) 2001-03-29
IL132027A0 (en) 2001-03-19
EP1248561A1 (de) 2002-10-16
ATE331468T1 (de) 2006-07-15
DE60029136T2 (de) 2007-05-31
WO2001021068A1 (en) 2001-03-29

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Effective date: 20130923